FROMLIST: pmu/gk20a: PMU boot support
- Maps PMU firmware into PMU virtual memory.
- Copy bootloader into PMU memory and start it.
- Allow the PMU to interact with HOST via interrupts.
PMU after successful configurations (to follow after this patch) will:
1.Autonomously power gate graphics engine when not in use.It will save
us a lot of power.
2.Provide better way to scale frequencies by reporting Perf counters.
3.Be critical for GPU functionality as future GPUs secure some register
& mem accesses involved in context switch.
Change-Id: I975bc577056fb739f95496957f2d09e33caf5a31
Signed-off-by: Deepak Goyal <dgoyal@nvidia.com>
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Reviewed-on: https://chromium-review.googlesource.com/270036
Reviewed-by: Stéphane Marchesin <marcheu@chromium.org>
Commit-Queue: Stéphane Marchesin <marcheu@chromium.org>
Tested-by: Stéphane Marchesin <marcheu@chromium.org>
1 file changed
